309251720

素因数分解:

$2^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{12907}}^1$

素因数の和:13517

約数の個数: 32

約数和(自身を含む): 697032000

約数和(自身を除く): 387780280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 599, 1198, 2396, 2995, 4792, 5990, 11980, 12907, 23960, 25814, 51628, 64535, 103256, 129070, 258140, 516280, 7731293, 15462586, 30925172, 38656465, 61850344, 77312930, 154625860, 309251720]

約数ペア:

[(1, 309251720), (2, 154625860), (4, 77312930), (5, 61850344), (8, 38656465), (10, 30925172), (20, 15462586), (40, 7731293), (599, 516280), (1198, 258140), (2396, 129070), (2995, 103256), (4792, 64535), (5990, 51628), (11980, 25814), (12907, 23960)]